What are the dimensions of the water sensors? (Inches and centimeters)

The dimension of YoLink Wate Leak Sensor is 2.44*2.44*0.93inches (62*62*23.5mm), the package dimension is 2.48*2.48*1.02inches (63*63*26mm).

How to make with Alexa? Using a routine?

Yes, use a routine to enable the voice alert from Alexa for YoLink leak sensor. Please refer the video: https://www.youtube.com/watch?v=gr9MpQi2Vwo Thanks! John from YoSmart Team

I don't see any rope sensors which is bad for covering areas like washers, fridge, and water heaters. Any rope solutions I'm unaware of with this?

There are 3 ways to connect the extension cable to YoLink Leak Sensor. 1. Soldering with a soldering iron: (1) Use a soldering iron to solder 2 common wires (regardless of positive or negative) to a set of probes on the Leak Sensor (a set of probes on the top of the leak sensor is recommended) (2) Fix the leak sensor in one place (If you use double-sided tape to paste the bottom of the leak sensor to the wall, the thickness of the double-sided tape must be higher than the height of the footpad on the bottom of the leak sensor (>1.5mm), otherwise, the leak sensor may not stick firmly ) (3) Place the 2 wires in the area to be detected. The 2 wires must be separated and fixed with a certain distance (10~15mm) But please kindly note: If you use a soldering iron to solder the wire, it may damage the two probes of the original device, which may cause the probes to rust in a humid environment. 2. Use glue or tape to fix (1) Use glue or tape to stick 2 ordinary wires (regardless of positive or negative) to a set of probes on the leak sensor (a set of probes on the top of the leak sensor is recommended) a. Stick the wire to the end of the probe and roll it into a circle or ring to expand the contact area & assist in fixing; b. It is recommended to use glue/tape with high viscosity, which must be firmly adhered to! (2) Fix the leak sensor in one place (If you use double-sided tape to paste the bottom of the leak sensor to the wall, the thickness of the double-sided tape must be higher than the height of the footpad on the bottom of the leak sensor (>1.5mm), otherwise, the leak sensor may not stick firmly) (3) Place the 2 wires in the area to be detected. The 2 wires must be separated and fixed with a certain distance (10~15mm) But please kindly note: If the glue/adhesive tape fails to stick the wire firmly, it may cause the wire to fall off and the leak sensor may not work properly. 3. Use the Alligator Clip We have found a way to use the Alligator Clip to clamp securely connecting the probes of the leak sensor and the extension cables, please visit the following video for instruction, https://youtu.be/x-bBXegLUcc Please wrap the leak sensor and the clip with tape to prevent it from falling off. As for the clip, you will find it on Amazon https://www.amazon.com/dp/B0739YWFQ6 I hope that will be helpful to you. Any question, please kindly contact us, thanks!

Can one person with the same email address and phone number hold multiple accounts, ie. a building manager for a condo?

Sorry, one email address can be associated with only one YoLink APP account, and one phone number can also be associated with only one YoLink APP account.

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💧 Stay dry, stay smart — protect your space with YoLink’s long-range leak defense!

PLUG PLAY SIMPLICITY - Easy ethernet or 2.4GHz WiFi hub setup means you’re protected in minutes—no tech headaches.
BUILT IN FREEZE WARNING - Stay ahead of winter risks with freeze alerts that help prevent pipe bursts and costly repairs.
ROBUST 105 D B AUDIO ALARM - Powerful siren built into sensors ensures you hear critical alerts loud and clear, even in noisy environments.
INSTANT MULTI CHANNEL ALERTS - Get real-time SMS, email, and app notifications to act fast and prevent costly water damage.
UNRIVALED LONG RANGE COVERAGE - LoRa tech delivers up to 1,000 feet open-air range—perfect for basements, sheds, and remote spots.

The YoLink Smart Home Starter Kit combines a versatile hub with four high-performance Water Leak Sensor 4 units featuring a 105dB alarm, LoRa wireless technology for up to 1/4 mile range, and IP66 waterproof durability. It offers plug-and-play setup, multi-channel alerts via app, SMS, and email, plus freeze warnings to prevent pipe damage. Compatible with Alexa and IFTTT, this kit scales from homes to smart buildings, ensuring comprehensive water leak protection wherever Wi-Fi struggles.

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Battery description	AAA
Number of batteries	8 AAA batteries required. (included)
Voltage	5 Volts
Control method	App
Noise level	105 Decibels
Mounting type	Floor Mount
Maximum range	1000 Feet
Sensor technology	Water Leak Sensor
UPC	810121540855
Manufacturer	YoSmart
Part Number	YS1603+4YS7906
Product Dimensions	17.78 x 12.7 x 6.35 cm; 9 g
Batteries	8 AAA batteries required. (included)
Item model number	YS1603+4YS7906
Size	B309
Style	105 dB 4 Sensors
Item Package Quantity	1
Batteries included?	Yes
Batteries Required?	Yes
Item Weight	9 g

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT

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